CVE-2017-5434

Details

A use-after-free vulnerability occurs when redirecting focus handling which results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.

Affected Packages

Firefox

Ubuntu 14.04 LTSUbuntu 16.04 LTSUbuntu 18.04 LTSUbuntu 20.04 LTSUbuntu 22.04 LTS

Fixed in:

53

Mozilla Firefox

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

53

Mozilla Firefox ESR

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

45.952.1

Firefox ESR

macOS 14macOS 15macOS 26

Fixed in:

45.952.1

References

WEB

http://www.securityfocus.com/bid/97940

WEB

http://www.securitytracker.com/id/1038320

ADVISORY

https://access.redhat.com/errata/RHSA-2017:1104

ADVISORY

https://access.redhat.com/errata/RHSA-2017:1106

ADVISORY

https://access.redhat.com/errata/RHSA-2017:1201

WEB

https://bugzilla.mozilla.org/show_bug.cgi?id=1349946

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2017-5434

ADVISORY

https://www.debian.org/security/2017/dsa-3831

WEB

https://www.mozilla.org/security/advisories/mfsa2017-10/

WEB

https://www.mozilla.org/security/advisories/mfsa2017-11/

WEB

https://www.mozilla.org/security/advisories/mfsa2017-12/

WEB

https://www.mozilla.org/security/advisories/mfsa2017-13/